The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 2016
Filed:
Nov. 15, 2012
Applicants:
Joachim Schulze, Soest, DE;
Wolfgang Tietz, Biendorf, DE;
Isabel Waengler, Berlin, DE;
Klaus Kuehlein, Kelkheim, DE;
Inventors:
Joachim Schulze, Soest, DE;
Wolfgang Tietz, Biendorf, DE;
Isabel Waengler, Berlin, DE;
Klaus Kuehlein, Kelkheim, DE;
Assignee:
THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/42 (2006.01); C07C 51/47 (2006.01); B01D 61/08 (2006.01);
U.S. Cl.
CPC ...
C07C 51/47 (2013.01); B01D 61/08 (2013.01); C07C 51/42 (2013.01);
Abstract
Disclosed is a method for removing and purifying carboxylic acids from fermentation broths, comprising removing biomass and any solids present from the fermentation broth, finely cleaning up the biomass-free and solids-free fermentation broth by nanofiltration, and removing the carboxylic acid from the finely cleaned, biomass-free, and solids free fermentation broth by adsorption to one or more solid phases having tertiary amino groups.